CN219907307U - High-efficient multichamber filter - Google Patents

Abstract

The utility model relates to a high-efficiency multi-chamber filter, which comprises an upper sealing head, a lower sealing head and a cylindrical barrel, wherein more than two partition boards are arranged in the cylindrical barrel to form more than three independent filter chambers; the inside of each filter chamber is independently provided with a water distributor, a filter material layer and a supporting layer, the water distributor is arranged at the top of the filter chamber, and the supporting layer is internally provided with a water collecting assembly and is arranged on the upper surface of the partition plate and the lower surface of the filter material layer; each filter chamber is independently provided with a water inlet, a water producing port, an air outlet, a discharge port, a blow-down sewage outlet, a backwashing inlet, a backwashing outlet and an air inlet; the water inlet is connected with the water distributor, and the water producing port is connected with the water collecting assembly. The utility model has simple structure, small occupied area of equipment, high efficiency of multiple filter chambers and strong sewage receiving capability of the equipment; the water distributor and the water collecting assembly are not easy to block, and the filter bed can be ensured not to generate short flow and bias flow, so that automatic operation is realized; through the automatic valve switching operation of the water inlet, the water production and the backwash water of each filter chamber, the degree of automation is high, the effective operation time of the single equipment can be improved, the operation efficiency of the system device is improved, and the energy consumption is saved.

Description

High-efficient multichamber filter

Technical Field

The utility model relates to the technical field of water treatment equipment, in particular to a high-efficiency multi-chamber filter.

Background

The existing filtering equipment is generally single-chamber filtering, has simple structure, large occupied area, large head loss and high equipment investment, and is not suitable for a large-scale water treatment system. The existing multi-chamber filter equipment is uneven in water distribution, easy to block with filter materials, poor in wastewater filtering effect on high suspended matters and incapable of running stably. It is therefore important to provide a high efficiency multi-chamber filter.

Disclosure of Invention

In order to solve the above problems, an object of the present utility model is to provide a high-efficiency multi-chamber filter. When suspended particles migrate to the surface of a filter material through interception, precipitation, inertia, diffusion and hydrodynamic actions by utilizing gaps of filter materials filled in a container, the high-efficiency multi-chamber filter is adhered to the surface of the filter material particles or the particles originally adhered on the surface of the filter material under the actions of van der Waals attraction and electrostatic force and certain chemical bonds and certain chemical adsorption force. The filter material is used for removing suspended matters, colloidal impurities, adsorbed oil and the like in water through the nano-dirt interception effect, especially can effectively remove tiny particles and the like which cannot be removed by a precipitation technology, and is used for BOD ₅ And COD, etc. After filtering for a period of time, gaps among surface filter materials are gradually blocked by pollutant particles to form a filter membrane, so that the filtering resistance is increased rapidly, the filtering speed is reduced rapidly, or the filter membrane is likely to crack and be penetrated by pollutants, so that the multi-chamber filter is required to operate for a period of timeAnd backwashing in time.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a high-efficiency multi-chamber filter, which comprises an upper sealing head, a lower sealing head and a cylindrical barrel, wherein more than two partition boards are arranged in the cylindrical barrel to form more than three independent filter chambers;

a water distributor, a filter material layer and a supporting layer are independently arranged in each filter chamber, the water distributor is arranged at the top of the filter chamber, the water collecting assembly is arranged in the supporting layer and is arranged on the upper surface of the partition plate, and the lower surface of the filter material layer;

each filter chamber is independently provided with a water inlet, a water producing port, an air outlet, a discharge port, a blow-down sewage outlet, a backwashing inlet, a backwashing outlet and an air inlet;

the water inlet is connected with the water distributor, and the water producing port is connected with the water collecting assembly.

In one embodiment of the utility model, the filter material layer is a single-layer filter material filling or a double-layer filter material filling;

when the single-layer filter material is adopted for filling, the level of the filter material filled in each filter chamber can adopt quartz sand with different levels, and the level of the quartz sand is one or more selected from 0.5-1.0mm, 1.0-2.0mm and 2.0-4.0 mm; when the double-layer filter material is adopted for filling, a light filter material with smaller density and larger particle size, such as anthracite, is placed at the upper part; a heavy filter material with larger density and smaller particle size, such as quartz sand, is placed at the lower part; the dirt holding capacity of the double-layer filter material is larger than that of the single-layer filter material.

In one embodiment of the utility model, the support layer is selected from one of natural pebbles or gravels having a particle size of 2mm to 4 mm.

In one embodiment of the utility model, the water collecting assembly comprises a plurality of water collecting main pipes and water collecting branch pipes which are communicated, wherein the water collecting branch pipes are arranged in parallel along two sides of the water collecting main pipes;

one end of the water collecting main pipe is connected with the water producing port, and the water filtered by the filter material is collected and discharged by the water collecting device.

In one embodiment of the utility model, the water collecting branch pipe is provided with a plurality of micropores;

one end of the water collecting main pipe is connected with the water producing port.

In one embodiment of the utility model, each filter chamber is independently provided with a sight glass through which internal filtering conditions and water quality changes can be observed; the sight glass is arranged on the upper surface of the filter material layer;

each filter chamber is independently provided with a barrel inspection manhole, so that equipment maintenance is facilitated; the cylinder body inspection manhole is arranged above the filter material layer.

In one embodiment of the utility model, the water distributor is an eight-claw or Feng-shaped perforated pipe, and the diameter of the opening is 2mm-5mm.

The water distributor is generally provided with a small-resistance water distribution system, a medium-resistance water distribution system and a large-resistance water distribution system, the small-resistance water distribution system is simple in water distribution structure and not easy to block, but poor in water distribution uniformity, and common water distribution forms are filter plates, grids, hole plates and filter heads; the medium resistance water distribution system is generally a tube plate type; the high-resistance water distribution system generally adopts perforated pipes, water distribution is uniform, but water head loss is large and pipelines are easy to block. The water distributor adopted by the utility model is an eight-claw or a cross-shaped perforated pipe, the smaller the diameter of the spray holes are, the more the number of the spray holes is, the better the uniformity of water distribution is, but the too small spray holes are easy to block, and the processing is difficult, so that the diameter of the open hole of the water distributor is 2mm-5mm, the cross section area of the water distributor is 3-5 times of the sum of the cross sections of all spray holes, the blocking of the holes is avoided, the head loss is reduced, and the requirement of uniform water distribution can be met.

In one embodiment of the utility model, the water inlet is sequentially provided with a water inlet flowmeter, an automatic water inlet regulating valve and a water inlet pressure transmitter along the water inlet direction;

the water producing port is provided with a water producing pressure transmitter and a water producing automatic valve along the water outlet direction, and is connected with the backwashing inlet.

In one embodiment of the utility model, the air inlet is provided with an air scrubbing inlet automatic valve;

the exhaust port is provided with an automatic exhaust valve.

In one embodiment of the utility model, the backwash inlet is provided with a backwash inlet automatic regulating valve and an external backwash inlet valve;

the backwash outlet is provided with an automatic backwash drain valve;

the emptying drain outlet is provided with an emptying valve.

In one embodiment of the utility model, the air inlet, the backwashing inlet and the sewage outlet are sequentially arranged on the side surface of the supporting layer from top to bottom;

the backwashing water outlet is arranged on the side surface above the filter material layer;

the discharge opening is used for loading and unloading the contents in the supporting layer and the filter material layer and is arranged on the side surface of the supporting layer.

In one embodiment of the utility model, the cylindrical barrel is a cylindrical steel barrel.

The incoming water is uniformly distributed in the filter through the water distributor, and the water filtered by the filter material layer is collected to the water collecting device through the supporting layer.

The incoming water can be parallelly operated to enter each filter chamber, so that the treatment capacity of the device is improved; the filter can also be operated in series, and the produced water of the upper filter chamber enters the lower filter chamber to realize multi-stage filtration, so that the quality of the produced water is improved.

Each filter chamber in the high-efficiency multi-chamber filter can independently and automatically operate, and has the functions of automatic water production and automatic online cleaning. Through the automatic valve switching operation of the water inlet, the water production and the backwash water of each filter chamber, the degree of automation is high, and compared with the traditional independent backwash system, the effective operation time of single equipment can be improved, the operation efficiency of a system device is improved, and the energy consumption is saved.

The air scrubbing aims to loosen the filter material layer through air, and the air flow disturbs the filter material layer, so that filter material particles are rubbed with each other, and impurities which are trapped in the filtering process and are difficult to be eluted are separated from the filter material. And then the filter layer retentate is washed away by backwashing with water, thereby playing a role in cleaning the filter layer.

The back flushing process is to flush the filter material with produced water directly entering the filter. The produced water has a certain pressure, and is directly backwashed, so that the energy consumption is reduced, and the operation efficiency of the high-efficiency multi-chamber filter is improved.

And after back flushing, the filter material is washed cleanly without forward washing, otherwise, water is used for forward washing, so that the filter material layer is guaranteed to be washed cleanly. The flushing time is related to the dirt interception amount of the filter layer and the flushing flow rate.

Compared with the prior art, the utility model has the following beneficial effects:

the efficient multi-chamber filter has the advantages of simple structure, small occupied area of equipment, high efficiency of the multi-filter chambers and strong dirt receiving capacity of the equipment; the water distributor and the water collecting assembly are not easy to block, and the filter bed can be ensured not to generate short flow and bias flow, so that automatic operation is realized; through the automatic valve switching operation of each filter chamber water inflow, water production and backwash water, degree of automation is high, compares with traditional independent backwash system, can improve monomer equipment effective operating time, improves system device operating efficiency, practices thrift the energy consumption.

Drawings

FIG. 1 is a schematic illustration of the construction of a high efficiency multi-chamber filter of the present utility model;

FIG. 2 is a schematic view of the structure of a filter material layer, a supporting layer and a water collecting device in the high-efficiency multi-chamber filter of the utility model;

FIG. 3 is a schematic view of a water collection device in a high efficiency multi-chamber filter according to the present utility model;

reference numerals in the drawings: 1. an upper end enclosure; 2. a lower end enclosure; 3. a first filter chamber; 4. a second filter chamber; 5. a third filter chamber; 6. a partition plate; 7. a filter material layer; 8. a support layer; 9. a water collection assembly; 10. a water collecting main pipe; 11. a water collecting branch pipe; 12. a water distributor;

a1, a first water inlet; a2, a first water producing port; a3, a second water inlet; a4, a second water producing port; a5, a third water inlet; a6, a third water producing port; b1, a first exhaust port; b2, a first air inlet; b3, a second exhaust port; b4, a second air inlet; b5, a third exhaust port; b6, a third air inlet; c1, a first backwashing inlet; c2, a first backwashing outlet; c3, a second backwashing inlet; c4, a second backwashing outlet; c5, a third washing inlet; c6, a third backwashing outlet; e1, a first emptying sewage outlet; e2, a second emptying sewage outlet; e3, a third emptying sewage outlet; f1, a first sight glass; f2, a second sight glass; f3, a third viewing mirror; g1, a first discharge port; g2, a second discharge port; g3, a third discharge port; h1, a first inspection manhole; h2, a second inspection manhole; and h3, a third inspection manhole.

Detailed Description

The utility model will now be described in detail with reference to the drawings and specific examples.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Example 1

The present embodiment provides a high efficiency multi-chamber filter and method of operation thereof.

1-3, the high-efficiency multi-chamber filter comprises an upper sealing head 1, a lower sealing head 2 and a cylindrical steel cylinder body, wherein two partition plates 6 are arranged inside the cylindrical steel cylinder body to form three independent filter chambers (a first filter chamber 3, a second filter chamber 4 and a third filter chamber 5); a water distributor 12, a filter material layer 7 and a supporting layer 8 are independently arranged in each filter chamber, the water distributor 12 is arranged at the top of the filter chamber, a water collecting assembly 9 is arranged in the supporting layer 8 and is arranged on the upper surface of the partition plate 6, and the lower surface of the filter material layer 7; the water collecting component 9 is a cross perforated pipe and comprises a water collecting main pipe 10 and a water collecting branch pipe 11 which are communicated, wherein a plurality of micropores for receiving water are formed in the water collecting branch pipe 11, and the water collecting branch pipe 11 is perpendicular to the water collecting main pipe 10 and is provided with a plurality of water collecting branch pipes in parallel along two sides of the water collecting main pipe 10; one end of the water collecting main pipe 10 is connected with a water producing port, and water filtered by the filter material is collected and discharged through a water collecting device.

Further, each filter chamber is internally provided with a water inlet, a water producing port, an air outlet, an emptying sewage outlet, a backwashing inlet, a backwashing outlet and an air inlet;

the water inlet is sequentially provided with a water inlet flowmeter, an automatic water inlet regulating valve and a water inlet pressure transmitter along the water inlet direction; the water producing port is provided with a water producing pressure transmitter and a water producing automatic valve along the water outlet direction and is connected with the backwashing inlet; the air inlet is provided with an air scrubbing inlet automatic valve; the exhaust port is provided with an automatic exhaust valve; the backwash inlet is provided with a backwash water inlet automatic regulating valve and an external backwash water inlet valve; the backwash outlet is provided with an automatic backwash drain valve; the emptying drain outlet is provided with an emptying valve.

Further, a first water inlet a1, a first water outlet a2, a first air outlet b1, a first discharge port g1, a first emptying sewage outlet e1, a first backwash inlet c1, a first backwash outlet c2, a first air inlet b2, a first inspection manhole h1 and a first sight glass f1 are arranged in the first filter chamber 3;

the first water inlet a1 and the first air outlet b1 are arranged at the top end of the upper sealing head 1, and the first water inlet a1 is connected with the water distributor 12 in the first filter chamber 3; the first air inlet b2, the first backwashing inlet c1 and the first emptying drain e1 are sequentially arranged on the side surface of the supporting layer 8 in the first filter chamber 3 from top to bottom; the first backwashing outlet c2 is arranged on the side surface above the filter material layer 7 in the first filter chamber 3; the first inspection manhole h1 is arranged on the side surface above the filter material layer 7 in the first filter chamber 3 and is positioned below the first backwashing outlet c 2; the first sight glass f1 is arranged on the upper surface of the filter material layer 7 in the first filter chamber 3; the first water producing port a2 is connected with the water collecting main pipe 10 in the first filter chamber 3, and the first discharge port g1 is arranged on the side surface of the supporting layer 8 in the first filter chamber 3;

the second filter chamber 4 is internally provided with a second water inlet a3, a second water outlet a4, a second air outlet b3, a second discharge port g2, a second emptying drain e2, a second backwashing inlet c3, a second backwashing outlet c4, a second air inlet b4, a second inspection manhole h2 and a second sight glass f2;

the second water inlet a3 is arranged above the filter material layer 7 in the second filter chamber 4 and is connected with the water distributor 12 in the second filter chamber 4; the second exhaust port b3 is arranged above the filter material layer 7 in the second filter chamber 4 and is arranged at the opposite side of the second water inlet a 3; the second air inlet b4, the second backwashing inlet c3 and the second emptying drain e2 are sequentially arranged on the side surface of the supporting layer 8 in the second filter chamber 4 from top to bottom; the second backwashing outlet c4 is arranged on the side surface above the filter material layer 7 in the second filter chamber 4; the second inspection manhole h2 is arranged on the side surface above the filter material layer 7 in the second filter chamber 4 and is positioned below the second backwashing outlet c 4; the second sight glass f2 is arranged on the upper surface of the filter material layer 7 in the second filter chamber 4; the second water producing port a4 is connected with a water collecting main pipe 10 in the second filter chamber 4, and a second discharging port g2 is arranged on the side surface of a supporting layer 8 in the second filter chamber 4;

a third water inlet a5, a third water outlet a6, a third air outlet b5, a third discharge port g3, a third emptying sewage outlet e3, a third back washing inlet c5, a third back washing outlet c6, a third air inlet b6, a third inspection manhole h3 and a third sight glass f3 are arranged in the third filter chamber 5;

the third water inlet a5 is arranged above the filter material layer 7 in the third filter chamber 5 and is connected with the water distributor 12 in the third filter chamber 5; the third exhaust port b5 is arranged above the filter material layer 7 in the second filter chamber 4 and is arranged on the opposite side of the third water inlet a 5; the third air inlet b6, the third washing inlet c5 and the third emptying drain e3 are sequentially arranged on the side surface of the supporting layer 8 in the third filter chamber 5 from top to bottom; the third backwashing outlet c6 is arranged on the side surface above the filter material layer 7 in the third filter chamber 5; the third inspection manhole h3 is arranged on the side surface above the filter material layer 7 in the third filter chamber 5 and is positioned below the third washing-out port c 6; the third sight glass f3 is arranged on the upper surface of the filter material layer 7 in the third filter chamber 5; the third water outlet a6 is connected with a water collecting main pipe 10 in the third filter chamber 5, and a third discharge opening g3 is arranged at the bottom end of the lower seal head 2.

Wherein the filter material layer 7 is filled with a single-layer filter material of quartz sand with the thickness of 1.0mm-2.0 mm; the supporting layer 8 is selected from natural pebbles with the particle size of 2mm-4 mm; the water distributor 12 is an eight-claw type (also can be a cross-shaped perforated pipe), the diameter of an opening is 2mm-5mm, and the sectional area of the water distributor is 3-5 times of the sum of the sectional areas of all spray holes;

in the high-efficiency multi-chamber filter of the present embodiment, the incoming water is run in parallel to the water inlet (first water inlet a1, second water inlet a3, third water inlet a 5) of each filter chamber.

In operation, each filter chamber operates independently, as follows:

(S1) in operation, opening the automatic exhaust valve of the exhaust port, exhausting the air in the filter chamber, and then closing the automatic exhaust valve.

(S2) controlling the flow of incoming water by controlling a water inlet flowmeter and an automatic water inlet regulating valve, meeting the filtering speed of a filter chamber, collecting the incoming water to a water collecting assembly 9 through a supporting layer 8 after filtering the incoming water by a filter material layer 7, and flowing to a water producing opening, wherein an automatic valve for producing water is opened, and discharging produced water. The produced water has certain pressure and can be directly used as backwash water; setting the pressure difference of inlet water and outlet water (the pressure difference displayed by the inlet water pressure transmitter and the outlet water pressure transmitter) to reach a set value, and backwashing; and (3) on-line self-cleaning by utilizing the water production pressure, closing the water production automatic valve, opening the backwash water inlet automatic regulating valve, backwash, opening the automatic backwash drain valve and discharging backwash water.

(S3) air scrubbing is performed by controlling an air scrubbing inlet automatic valve arranged at the air inlet.

(S4) setting an external backwashing water inlet valve, and backwashing by using external water;

wherein, before backwashing, an evacuation valve is opened to drain the residual produced water in the filter chamber.

Example 2

The present embodiment provides a high efficiency multi-chamber filter.

Except that the water enters each filter chamber through series operation, namely the water enters a first water inlet a1, a first water outlet a2 is connected with a second water inlet a3, and a second water outlet a4 is connected with a third water inlet a 5; the procedure of example 1 was repeated except that the mixture was filtered at three stages and discharged from the third water outlet a 6.

Example 3

The present embodiment provides a high efficiency multi-chamber filter.

The procedure of example 2 was repeated except that the filter layer 7 was a double-layer filter (composed of anthracite upper layer and quartz sand lower layer).

The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present utility model. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present utility model is not limited to the above-described embodiments, and those skilled in the art, based on the explanation of the present utility model, should make improvements and modifications without departing from the scope of the present utility model.

Claims (10)

1. The efficient multi-chamber filter is characterized by comprising an upper sealing head (1), a lower sealing head (2) and a cylindrical barrel, wherein more than two partition boards (6) are arranged in the cylindrical barrel to form more than three independent filter chambers;

a water distributor (12), a filter material layer (7) and a supporting layer (8) are independently arranged in each filter chamber, the water distributor (12) is arranged at the top of the filter chamber, a water collecting component (9) is arranged in the supporting layer (8), and is arranged on the upper surface of the partition plate (6) and the lower surface of the filter material layer (7);

each filter chamber is independently provided with a water inlet, a water producing port, an air outlet, a discharge port, a blow-down sewage outlet, a backwashing inlet, a backwashing outlet and an air inlet;

the water inlet is connected with a water distributor (12), and the water producing port is connected with a water collecting assembly (9).

2. A high efficiency multi-chamber filter according to claim 1, wherein the water collection assembly (9) comprises a water collection main (10) and a water collection branch (11) which are communicated, wherein the water collection branch (11) is provided with a plurality of micropores and is arranged in parallel along two sides of the water collection main (10);

one end of the water collecting main pipe (10) is connected with the water producing port.

3. A high efficiency multi-chamber filter according to claim 2, wherein the water collection manifold (11) is provided with a plurality of micro-holes;

one end part of the water collecting main pipe (10) is connected with a water producing port.

4. A high efficiency multi-chamber filter according to claim 1, characterized in that each filter chamber is independently provided with a sight glass, which is arranged on the upper surface of the filter bed (7);

each filter chamber is independently provided with a barrel inspection manhole which is arranged above the filter material layer (7).

5. The efficient multi-chamber filter according to claim 1, wherein the water distributor (12) is an eight-claw or letter-rich perforated pipe with an opening diameter of 2mm-5mm.

6. The efficient multi-chamber filter according to claim 1, wherein the water inlet is provided with a water inlet flow meter, an automatic water inlet regulating valve and a water inlet pressure transmitter in sequence along a water inlet direction;

the water producing port is provided with a water producing pressure transmitter and a water producing automatic valve along the water outlet direction and is connected with a backwashing inlet through a backwashing water inlet pipeline.

7. A high efficiency multi-chamber filter as defined in claim 1 wherein the air inlet is provided with an air scrubbing inlet automatic valve;

the exhaust port is provided with an automatic exhaust valve.

8. The efficient multi-chamber filter according to claim 1, wherein the backwash inlet is provided with a backwash inlet automatic control valve and an external backwash inlet valve;

the backwash outlet is provided with an automatic backwash drain valve;

the emptying drain outlet is provided with an emptying valve.

9. The efficient multi-chamber filter according to claim 1, wherein the air inlet, backwash inlet and drain are arranged on the side of the support layer (8) in sequence from top to bottom;

the backwashing water outlet is arranged on the side surface above the filter material layer (7);

the discharge opening is arranged on the side surface of the supporting layer.

10. The high efficiency multi-chamber filter of claim 1 wherein said cylindrical canister is a cylindrical steel canister.